Physics · JEE

Online Practice: Least count, significant figures, Errors in measurements for JEE

12+ syllabus-aligned questions available

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Goodmarks provides free online JEE practice for Least count, significant figures, Errors in measurements with 12+ MCQs, instant answer checking, and full solutions. Sign up to unlock the complete question bank and topic-wise filters.

Sharpen your physics preparation with interactive online practice for Least count, significant figures, Errors in measurements. Goodmarks offers 12+ JEE-style MCQs mapped to the official syllabus, each with detailed explanations so you learn from every attempt.

Syllabus context

Part of Units and Measurements in JEE Main Physics.

Free sample questions

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Q1PhysicsUnit 1: Units and Measurements

The mass of a box measured by a grocer's balance is 2.3 kg. Two gold pieces of masses 20.15 g and 20.17 g are added to the box. The total mass of the box is:

Q2PhysicsUnit 1: Units and Measurements

The mass of a ball is

1.76 k g .

The mass of 25 such balls is

Q3PhysicsUnit 1: Units and Measurements

A cube has a side of length

2.342 m

. The surface area and volume in correct significant figures are respectively:

Q4PhysicsUnit 1: Units and Measurements

The radius of a sphere is measured to be

(4.0+2.0) \mathrm{cm}

the maximum percentage error in the measurement of the volume of the sphere is

Q5PhysicsUnit 1: Units and Measurements

Two students

P

and

Q

perform an experiment to verify Ohm's law for a conductor with resistance R. They use a current source and a voltmeter with least counts of

0.1 \mathrm{mA}

and

0.1 \mathrm{mV}

respectively. The plots of the variation of voltage drop(V) across R with current(i) for both are shown. the statement which is most likely to be correct is?

Q6PhysicsUnit 1: Units and Measurements

The accuracy in the measurement of the diameter of hydrogen atom measured as

1.06 \times 10^{-10} \mathrm{m}

is :

Q7PhysicsUnit 1: Units and Measurements

Three measurement are made as

18.425 \mathrm{cm} 7.21 \mathrm{cm}

and

5.0 \mathrm{cm} .

The addition should be written as then:

Q8PhysicsUnit 1: Units and Measurements

Chlorine has

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Frequently asked questions

How do I practice Least count, significant figures, Errors in measurements online for JEE?

Open this page, attempt the free sample MCQs, then sign up on Goodmarks to access the full Least count, significant figures, Errors in measurements question bank with topic filters and detailed explanations.

How many Least count, significant figures, Errors in measurements questions are available?

Goodmarks currently has 12+ JEE-aligned MCQs for Least count, significant figures, Errors in measurements, with more added regularly.

Is this aligned with the JEE Main syllabus?

Yes. All Physics questions on Goodmarks are organised by official JEE Main units and subtopics, including Least count, significant figures, Errors in measurements.

Do I get solutions after each question?

Every question includes the correct answer and a step-by-step explanation. Free users can practise a random mix; Pro unlocks full subject and topic filters.